Home / 57,107.27-78,732.53-46,860.77

Finding the Fourth Proportional to 57,107.27, 78,732.53 and 46,860.77

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Solution

The fourth proportional to 57,107.27, 78,732.53 and 46,860.77 is: 64,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107.27 : 78,732.53 = 46,860.77 : x
  2. Step 2: Convert to fraction form
    57,107.27/78,732.53 = 46,860.77/x
  3. Step 3: Cross multiply
    57,107.27x = 78,732.53 × 46,860.77
  4. Step 4: Simplify right side
    57,107.27x = 3,689,466,548.71
  5. Step 5: Solve for x
    x = 3,689,466,548.71/57,107.27
  6. Step 6: Final answer
    x = 64,605.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.